Connecting ClearSCADA to MicroLogix 1500 using DF1 via Serial Cable

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Connecting ClearSCADA to MicroLogix 1500 using DF1 via Serial Cable.


Descriptions:
ClearSCADA DF1 serial drivers does not communicate MicroLogix DF1 protocol. Thus, ClearSCADA DF1 communicates PLC2, PLC3, PLC5, PLC5/250, and SLC500 (see below PLC Type selection from ClearSCADA).
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In order to successfully communicate with the MicroLogix 1500 would required KEPServerEX (integrated PLC drivers in ClearSCADA). This forum will go through the steps to configure PLC Drivers in ClearSCADA to communicate DF1 with MicroLogix 1500 PLC.


Configuring ClearSCADA to communicate to Micrologix 1500 via DF1 through RS-232 serial cable.


In this demo setup from PC running ClearSCADA Server, the followings:
Using COM4 on PC to connect to the Channel 1 on the MicroLogix 1500. Null modem RS232 serial cable is connected from PC COM4 to Channel 1 of Micrologix 1500 (3 wires).


Note: ClearSCADA must have PLC License in order to use the built-in KEPServerEX for ClearSCADA to communicate DF1 with MicroLogix 1500.
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Setup in Allen Bradley MicroLogix 1500 using RSLogix 500:


Step 1:
Set up Channel 1 with Driver DF1 Half Duplex Slave and enter the Node Address 20, Baud 19200, Parity None, and CRC. Protocol Control has "No Handshaking" and Enable "EOT Suppression" .
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Step 1:
Using Windows Explorer, browse to folder C:\Program Files\Control Microsystems\ClearSCADA\KEPServerEX
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Step 2: Open up the ServerMain.exe
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Step 3: Once KEPServerEX for ClearSCADA opens up go to the menu and choose File --> New

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Step 4: Double-Click to add Channel to communicate from PC to the MicroLogix PLC.
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Step 5: Set the Device Driver to DF1.
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Step 6: Select the Serial COM port from the PC that would be used to connect to the MicroLogix 1500 PLC.
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Step 7: Leave the settings as default, press Next.
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Step 8: Select Half Duplex Master. This matches the settings on the PLC when it was set to be Half Duplex Slave.
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Step 9: Review the settings made, press Finish.
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Step 10: Double click to add a device under channel created. Rename to Micrologix 1500 test.
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Step 11: Select MicroLogix from Device model.
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Step 12: Enter in Device ID = 20, this number is entered from Allen Bradley RS500 setup earlier.
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Step 13: Press Next, leave as default.
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Step 14: Press Next, leave as default.
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Step 15: Using CRC and Request Size Large. This is default, press Next.
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Step 16: Leave as default and press Next.
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Step 16: Click on Finish.
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Step 17: Double click on right side panel to add in Tag.
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Step 18: Repeat step 17 and would get a table like below screen.
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Save the project in KEPServerEX and close this application. Next is to configure ClearSCADA to get the values from these points using ClearSCADA PLC Driver.







Setting up ClearSCADA to use PLC Drivers to communicate with MicroLogix 1500 via KEPServerEX.


Step 1: Create a new Group for "MicroLogix 1500 test". Then add new PLC  Scanner object to this group.


Note: Right mouse click on Main to add in new Group, then also right mouse click to add in new PLC --> Scanner.

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Step 2: Open up the properties of the Scanner to set the Scan Rate interval. Default is 5S, 5 second.
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Step 3: Right mouse click on "Micrologix 1500 test" group and choose New PLCDigital Point.
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Step 4: Rename New Digital Point to "Input 0" and double click to open up the properties. Click on PLC tab, configure the Scanner press "..." button and attach the "MicroLogix 1500 test.Scanner" object.
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Step 6: Attach the Tag Name next, click on "..." button and browse to open up the Tag list and select Input 0 shown.
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Step 7: Click on Historic tab and click on Enable. This would allow ClearSCADA to log all the point updates.
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Checking for point value update Right mouse click on the Input 0 in database and choose View Status
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Step 7: In order to get the other number such as Float, add New -->PLC--> Analog Point
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Step 8: Rename the New Analog Point to N7_0. Double click to open the properties then browse to PLC tab. Attach the Scanner to link to "MicroLogix 1500 test.Scanner" from "..." button. Click on "..." on Tag Name and attach the IntegerN7_0 tag.
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Note: Click on Historic and Enable to have ClearSCADA log the updates.
Verify the N7_0 point value polling status.
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Step 10: Repeat adding in the ClearSCADA PLC points for all the Tags created in KEPServerEX.

Sample files can be download below:

File: AUTOMATE.RSS (See links below) (RSLogix 500 file)

File: MicroLogix 1500 Test.sde (See links below) (ClearSCADA Import file)

File: micrologix1500.opf (See links below) (ClearSCADA integrated KEPServerEX project file)

File: MicroLogix1500_CS.otc (See links below) (ClearSCADA integrated KEPServerEX project file)


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MicroLogix 1500 Test.sde